Seller: 11wonder (750) 100%, Location: California, Ships to: US, Item: 190640586108 Brand New in stock, Immediate Fast Shipping from CALIFORNIA, USA Features 1.100% brand new of high quality material. 2.Easy to use even for beginners 3.Diamond Tester specially offer an unique 2 sounds and 3 lamps display system to identify diamonds from imitations .LCD display, LED lights Emit audible sounds to give accurate reading. 4.Diamond indicator (RED light), which illuminates if the stone is a REAL diamond 5.If stone is Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction 6.Metal alert (There is a long beep when user accidentally touches metal rather than stone ) 7. Dimension: 16.5 x 4.5 x 2.5cm How to use? 1. Clean your stone before testing-grease and other dirt can give inaccurate test results 2. Touch the probe of the selector to the stone you are testing 3. If it is a genuine diamond gem the selector will beep and the scale will light up 4. If its a fake, there will be no reaction 5. Adjustable sensor according to the stone size Package included 1 x Diamond Tester 1 x leather pouch 1 x battery (9V) 1 x user manual (in English) Free Shipping to US Lower 48 states only *Note: This tester can not identify other stones (such as emerald, ruby, sapphire, moissanite etc.) except fake replacement of diamonds!